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The Willamette Meteorite

By Henry A. Ward

A New Epoch in Solar Physics

Contemporary Electrical Science

The Discovery of the Future

By H. G. Wells

A Philippine Census

On the Glacial Pothole in the National Museum

By George P. Merrill

Discovery of the most Ancient Temple at Thebes

By M. Edouard Naville and H. R. Hall

The Thylacine

(Thylacinus cynocephalus)

By P. L. Sclater

A Plan for Filling in the East River

Electric Resistance of Iron and Steel

Electrical Notes

Trade Notes and Recipes

Engineering Notes

The Zoelly Steam Turbine


An Inquiry Into the Working of Various Water-Softeners

By C. E. Stromeyer and W. B. Baron

Trade Suggestions from United States Consuls


Selected Formula


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July 09, 1904

20% Sitewide for President's Day